/// <summary>
/// 增加一条数据
/// </summary>
public int Add(DHMSClass.Model.DHMS_Student model)
{
StringBuilder strSql = new StringBuilder();
StringBuilder strSql1 = new StringBuilder();
StringBuilder strSql2 = new StringBuilder();
if (model.Student_Sno != null)
{
strSql1.Append("Student_Sno,");
strSql2.Append("'" + model.Student_Sno + "',");
}
if (model.Student_Name != null)
{
strSql1.Append("Student_Name,");
strSql2.Append("'" + model.Student_Name + "',");
}
if (model.Student_Sex != null)
{
strSql1.Append("Student_Sex,");
strSql2.Append("'" + model.Student_Sex + "',");
}
if (model.Student_Birthday != null)
{
strSql1.Append("Student_Birthday,");
strSql2.Append("'" + model.Student_Birthday + "',");
}
if (model.Student_Num != null)
{
strSql1.Append("Student_Num,");
strSql2.Append("'" + model.Student_Num + "',");
}
if (model.Department_ID != null)
{
strSql1.Append("Department_ID,");
strSql2.Append("'" + model.Department_ID + "',");
}
if (model.Class_ID != null)
{
strSql1.Append("Class_ID,");
strSql2.Append("'" + model.Class_ID + "',");
}
strSql.Append("insert into DHMS_Student(");
strSql.Append(strSql1.ToString().Remove(strSql1.Length - 1));
strSql.Append(")");
strSql.Append(" values (");
strSql.Append(strSql2.ToString().Remove(strSql2.Length - 1));
strSql.Append(")");
strSql.Append(";select @@IDENTITY");
object obj = DbHelperSQL.GetSingle(strSql.ToString());
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(DHMSClass.Model.DHMS_Student model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update DHMS_Student set ");
if (model.Student_Name != null)
{
strSql.Append("Student_Name='" + model.Student_Name + "',");
}
if (model.Student_Sex != null)
{
strSql.Append("Student_Sex='" + model.Student_Sex + "',");
}
if (model.Student_Birthday != null)
{
strSql.Append("Student_Birthday='" + model.Student_Birthday + "',");
}
if (model.Student_Num != null)
{
strSql.Append("Student_Num='" + model.Student_Num + "',");
}
if (model.Department_ID != null)
{
strSql.Append("Department_ID='" + model.Department_ID + "',");
}
if (model.Class_ID != null)
{
strSql.Append("Class_ID='" + model.Class_ID + "',");
}
int n = strSql.ToString().LastIndexOf(",");
strSql.Remove(n, 1);
strSql.Append(" where Student_ID=" + model.Student_ID + "");
int rowsAffected = DbHelperSQL.ExecuteSql(strSql.ToString());
if (rowsAffected > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public DHMSClass.Model.DHMS_Student GetModel(int Student_ID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ");
strSql.Append(" Student_ID,Student_Sno,Student_Name,Student_Sex,Student_Birthday,Student_Num,Department_ID,Class_ID ");
strSql.Append(" from DHMS_Student ");
strSql.Append(" where Student_ID=" + Student_ID + "");
DHMSClass.Model.DHMS_Student model = new DHMSClass.Model.DHMS_Student();
DataSet ds = DbHelperSQL.Query(strSql.ToString());
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public DHMSClass.Model.DHMS_Student DataRowToModel(DataRow row)
{
DHMSClass.Model.DHMS_Student model = new DHMSClass.Model.DHMS_Student();
if (row != null)
{
if (row["Student_ID"] != null && row["Student_ID"].ToString() != "")
{
model.Student_ID = int.Parse(row["Student_ID"].ToString());
}
if (row["Student_Sno"] != null)
{
model.Student_Sno = row["Student_Sno"].ToString();
}
if (row["Student_Name"] != null)
{
model.Student_Name = row["Student_Name"].ToString();
}
if (row["Student_Sex"] != null)
{
model.Student_Sex = row["Student_Sex"].ToString();
}
if (row["Student_Birthday"] != null && row["Student_Birthday"].ToString() != "")
{
model.Student_Birthday = DateTime.Parse(row["Student_Birthday"].ToString());
}
if (row["Student_Num"] != null)
{
model.Student_Num = row["Student_Num"].ToString();
}
if (row["Department_ID"] != null)
{
model.Department_ID = row["Department_ID"].ToString();
}
if (row["Class_ID"] != null)
{
model.Class_ID = row["Class_ID"].ToString();
}
}
return(model);
}
